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Introduce non auto-scaling mode in spinning balls benchmark.

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Review URL: http://codereview.chromium.org/8570017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10002 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
vegorov@chromium.org 2011-11-15 22:52:38 +00:00
parent 963ccfdaea
commit 237401a5dd
1 changed files with 68 additions and 25 deletions
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93
benchmarks/spinning-balls/v.js
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@ -61,6 +61,7 @@ var numberOfFrames = 0;
var sumOfSquaredPauses = 0;
var benchmarkStartTime = void 0;
var benchmarkTimeLimit = void 0;
var autoScale = void 0;
var pauseDistribution = [];
@ -193,7 +194,7 @@ function ModifyPointsSet() {
}
function PausePlot(width, height, size) {
function PausePlot(width, height, size, scale) {
var canvas = document.createElement("canvas");
canvas.width = this.width = width;
canvas.height = this.height = height;
@ -201,7 +202,14 @@ function PausePlot(width, height, size) {
this.ctx = canvas.getContext('2d');
this.maxPause = 0;
if (typeof scale !== "number") {
this.autoScale = true;
this.maxPause = 0;
} else {
this.autoScale = false;
this.maxPause = scale;
}
this.size = size;
// Initialize cyclic buffer for pauses.
@ -248,18 +256,21 @@ PausePlot.prototype.iteratePauses = function (f) {
PausePlot.prototype.draw = function () {
var first = null;
this.iteratePauses(function (i, v) {
if (first === null) {
first = v;
}
this.maxPause = Math.max(v, this.maxPause);
});
if (this.autoScale) {
this.iteratePauses(function (i, v) {
if (first === null) {
first = v;
}
this.maxPause = Math.max(v, this.maxPause);
});
}
var dx = this.width / this.size;
var dy = this.height / this.maxPause;
this.ctx.save();
this.ctx.clearRect(0, 0, 480, 240);
this.ctx.clearRect(0, 0, this.width, this.height);
this.ctx.beginPath();
this.ctx.moveTo(1, dy * this.pauses[this.start]);
var p = first;
@ -414,23 +425,54 @@ function render() {
}
function renderForm() {
form = document.createElement("form");
form.setAttribute("action", "javascript:start()");
var label = document.createTextNode("Time limit in seconds ");
var input = document.createElement("input");
input.setAttribute("id", "timelimit");
input.setAttribute("value", "60");
var button = document.createElement("input");
function Form() {
function create(tag) { return document.createElement(tag); }
function text(value) { return document.createTextNode(value); }
this.form = create("form");
this.form.setAttribute("action", "javascript:start()");
var table = create("table");
table.setAttribute("style", "margin-left: auto; margin-right: auto;");
function col(a) {
var td = create("td");
td.appendChild(a);
return td;
}
function row(a, b) {
var tr = create("tr");
tr.appendChild(col(a));
tr.appendChild(col(b));
return tr;
}
this.timelimit = create("input");
this.timelimit.setAttribute("value", "60");
table.appendChild(row(text("Time limit in seconds"), this.timelimit));
this.autoscale = create("input");
this.autoscale.setAttribute("type", "checkbox");
this.autoscale.setAttribute("checked", "true");
table.appendChild(row(text("Autoscale pauses plot"), this.autoscale));
var button = create("input");
button.setAttribute("type", "submit");
button.setAttribute("value", "Start");
form.appendChild(label);
form.appendChild(input);
form.appendChild(button);
document.body.appendChild(form);
this.form.appendChild(table);
this.form.appendChild(button);
document.body.appendChild(this.form);
}
Form.prototype.remove = function () {
document.body.removeChild(this.form);
};
function init() {
livePoints = new PointsList;
dyingPoints = new PointsList;
@ -442,14 +484,15 @@ function init() {
div = document.createElement("div");
document.body.appendChild(div);
pausePlot = new PausePlot(480, 240, 160);
pausePlot = new PausePlot(480, autoScale ? 240 : 500, 160, autoScale ? void 0 : 500);
}
function start() {
benchmarkTimeLimit = document.getElementById("timelimit").value * 1000;
document.body.removeChild(form);
benchmarkTimeLimit = form.timelimit.value * 1000;
autoScale = form.autoscale.checked;
form.remove();
init();
render();
}
renderForm();
var form = new Form();